| Keystone to Ratingen | 4,704.09 mi (7,570.50 km) |
| Keystone to Ratzeburg | 4,805.05 mi (7,732.98 km) |
| Keystone to Raubling | 5,009.62 mi (8,062.20 km) |
| Keystone to Rauenberg | 4,827.38 mi (7,768.92 km) |
| Keystone to Raunheim | 4,799.10 mi (7,723.41 km) |
| Keystone to Ravensburg | 4,902.45 mi (7,889.73 km) |
| Keystone to Recke | 4,716.24 mi (7,590.05 km) |
| Keystone to Recklinghausen | 4,710.72 mi (7,581.17 km) |
| Keystone to Regen | 5,021.22 mi (8,080.87 km) |
| Keystone to Regensburg | 4,976.00 mi (8,008.10 km) |
| Keystone to Regenstauf | 4,975.06 mi (8,006.59 km) |
| Keystone to Rehau | 4,940.96 mi (7,951.71 km) |
| Keystone to Rehburg-Loccum | 4,773.83 mi (7,682.74 km) |
| Keystone to Rehlingen-Siersburg | 4,739.05 mi (7,626.76 km) |
| Keystone to Reichelsheim | 4,822.51 mi (7,761.07 km) |
